What is a bearded dragon?

What is a bearded dragon? Well that's an interesting question. Bearded dragons are genus of lizard that are typically found in Australia. There are seven different species of them, although a large portion have been domesticated. The actual name of the genus is pogona. They possess spike-like scales that cover their bodies, and they swell up when threatened. The assortment of scales under the neck is where they get their name.